import os
import sys
import pytest
import asyncio
from typing import Optional
from unittest.mock import patch, AsyncMock
from litellm.responses.litellm_completion_transformation.handler import LiteLLMCompletionTransformationHandler
from litellm.responses.litellm_completion_transformation.transformation import LiteLLMCompletionResponsesConfig
from litellm.types.utils import ModelResponse


sys.path.insert(0, os.path.abspath("../.."))
import litellm
from litellm.integrations.custom_logger import CustomLogger
import json
from litellm.types.utils import StandardLoggingPayload
from litellm.types.llms.openai import (
    ResponseCompletedEvent,
    ResponsesAPIResponse,
    ResponseAPIUsage,
    IncompleteDetails,
)
import litellm
from litellm.llms.custom_httpx.http_handler import AsyncHTTPHandler
from base_responses_api import BaseResponsesAPITest
from openai.types.responses.function_tool import FunctionTool


class TestAnthropicResponsesAPITest(BaseResponsesAPITest):
    def get_base_completion_call_args(self):
        #litellm._turn_on_debug()
        return {
            "model": "anthropic/claude-sonnet-4-5-20250929",
        }
    
    async def test_basic_openai_responses_delete_endpoint(self, sync_mode=False):
        pytest.skip("DELETE responses is not supported for anthropic")
    
    async def test_basic_openai_responses_streaming_delete_endpoint(self, sync_mode=False):
        pytest.skip("DELETE responses is not supported for anthropic")

    async def test_basic_openai_responses_get_endpoint(self, sync_mode=False):
        pytest.skip("GET responses is not supported for anthropic")

    async def test_basic_openai_responses_cancel_endpoint(self, sync_mode=False):
        pytest.skip("CANCEL responses is not supported for anthropic")

    async def test_cancel_responses_invalid_response_id(self, sync_mode=False):
        pytest.skip("CANCEL responses is not supported for anthropic")



def test_multiturn_tool_calls():
    # Test streaming response with tools for Anthropic
    litellm._turn_on_debug()
    shell_tool = dict(FunctionTool(
        type="function",
        name="shell",
        description="Runs a shell command, and returns its output.",
        parameters={
            "type": "object",
            "properties": {
                "command": {"type": "array", "items": {"type": "string"}},
                "workdir": {"type": "string", "description": "The working directory for the command."}
            },
            "required": ["command"]
        },
        strict=True
    ))
    

    
    # Step 1: Initial request with the tool
    response = litellm.responses(
        input=[{
            'role': 'user', 
            'content': [
                {'type': 'input_text', 'text': 'make a hello world html file'}
            ], 
            'type': 'message'
        }],
        model='anthropic/claude-3-7-sonnet-latest',
        instructions='You are a helpful coding assistant.',
        tools=[shell_tool]
    )
    
    print("response=", response)
    
    # Step 2: Send the results of the tool call back to the model
    # Get the response ID and tool call ID from the response

    response_id = response.id
    tool_call_id = ""
    for item in response.output:
        if 'type' in item and item['type'] == 'function_call':
            tool_call_id = item['call_id']
            break

    # Use await with asyncio.run for the async function
    follow_up_response = litellm.responses(
        model='anthropic/claude-3-7-sonnet-latest',
        previous_response_id=response_id,
        input=[{
            'type': 'function_call_output',
            'call_id': tool_call_id,
            'output': '{"output":"<html>\\n<head>\\n  <title>Hello Page</title>\\n</head>\\n<body>\\n  <h1>Hi</h1>\\n  <p>Welcome to this simple webpage!</p>\\n</body>\\n</html> > index.html\\n","metadata":{"exit_code":0,"duration_seconds":0}}'
        }],
        tools=[shell_tool]
    )
    
    print("follow_up_response=", follow_up_response)
        



@pytest.mark.asyncio
async def test_async_response_api_handler_merges_trace_id_without_error():
    handler = LiteLLMCompletionTransformationHandler()

    async def fake_session_handler(previous_response_id, litellm_completion_request):
        litellm_completion_request["litellm_trace_id"] = "session-trace"
        return litellm_completion_request

    with patch.object(
        LiteLLMCompletionResponsesConfig,
        "async_responses_api_session_handler",
        side_effect=fake_session_handler,
    ):
        with patch("litellm.acompletion", new_callable=AsyncMock) as mock_acompletion:
            mock_acompletion.return_value = ModelResponse(
                id="id", created=0, model="test", object="chat.completion", choices=[]
            )
            await handler.async_response_api_handler(
                litellm_completion_request={"model": "test"},
                request_input="hi",
                responses_api_request={"previous_response_id": "123"},
                litellm_trace_id="original-trace",
            )
            # ensure acompletion called once with merged trace_id
            assert mock_acompletion.call_count == 1
            assert (
                mock_acompletion.call_args.kwargs["litellm_trace_id"] == "session-trace"
            )